# Linear functions

- Author:
- Sebastian Williams

- Topic:
- Equations, Functions, Function Graph, Linear Functions

Introduction to linear functions, equations, slope (gradient) and y-intercept.
In mathematics, a function assigns exactly one dependent variable (often y) to an independent variable (often x).
A function might be given by an expression, e.g., y = 2x + 1, that states the rule in which each x-value determines its corresponding y-value

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